/*
 * Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
 * with the License. A copy of the License is located at
 *
 * http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 * OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */
package com.amazonaws.serverless.proxy.internal;

import com.amazonaws.serverless.exceptions.ContainerInitializationException;

/**
 * Interface to define initialization/ cold-start related methods.
 * See also the documentation for
 * <a href="https://docs.aws.amazon.com/lambda/latest/operatorguide/execution-environments.html">
 *     AWS Lambda Execution Environments</a>.
 */
public interface InitializableLambdaContainerHandler {

    /**
     * This method is called on the first (cold) invocation
     *
     * @throws ContainerInitializationException in case initialization fails
     */
    void initialize() throws ContainerInitializationException;
}
